113487 has 16 divisors (see below), whose sum is σ = 174720. Its totient is φ = 64800.

The previous prime is 113467. The next prime is 113489. The reversal of 113487 is 784311.

It is not a de Polignac number, because 113487 - 2⁷ = 113359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537 + ... + 717.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2¹¹³⁴⁸⁷ is an apocalyptic number.

113487 is a deficient number, since it is larger than the sum of its proper divisors (61233).

113487 is a wasteful number, since it uses less digits than its factorization.

113487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214.

The product of its digits is 672, while the sum is 24.

The square root of 113487 is about 336.8783163102. The cubic root of 113487 is about 48.4152343729.

Adding to 113487 its reverse (784311), we get a palindrome (897798).

It can be divided in two parts, 1134 and 87, that added together give a palindrome (1221).

The spelling of 113487 in words is "one hundred thirteen thousand, four hundred eighty-seven".